Table 3. Walking speed under the three conditions (mean ± SD).

	Limited community ambulators	Community ambulators	Normal ambulators
Self-paced walking speed (m/s)	0.56 ± 0.06	0.83 ± 0.08*	1.23 ± 0.08†
Cognitive dual-task walking (m/s)	0.52 ± 0.06	0.69 ± 0.07*	1.19 ± 0.08†
Manual dual-task walking (m/s)	0.47 ± 0.05	0.59 ± 0.06*	1.20 ± 0.06†

^*p < 0.05: limited community ambulators vs. community ambulators. ^†p < 0.05: community ambulators vs. normal ambulators.